2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.groupbasedpolicy.renderer.ofoverlay.flow;
11 import org.opendaylight.groupbasedpolicy.renderer.ofoverlay.OfWriter;
12 import org.opendaylight.groupbasedpolicy.renderer.ofoverlay.OfContext;
13 import org.opendaylight.groupbasedpolicy.resolver.PolicyInfo;
14 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowId;
15 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow;
16 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowBuilder;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.Match;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
20 import org.slf4j.Logger;
21 import org.slf4j.LoggerFactory;
24 * Base class for managing flow tables
27 public abstract class FlowTable extends OfTable {
28 protected static final Logger LOG =
29 LoggerFactory.getLogger(FlowTable.class);
31 public FlowTable(OfContext ctx) {
40 public void update(NodeId nodeId, PolicyInfo policyInfo,
41 OfWriter ofWriter) throws Exception {
43 sync(nodeId, policyInfo, ofWriter);
52 * Sync flow state using the flow map
54 * @param nodeId the node id
55 * @param policyInfo the current policy snapshot
56 * @param ofWriter the {@link OfWriter}
57 * @throws Exception throws all exception
59 public abstract void sync(NodeId nodeId, PolicyInfo policyInfo, OfWriter ofWriter) throws Exception;
62 * Get the table ID being manipulated
64 * @return the table id
66 public abstract short getTableId();
73 * Get a base flow builder with some common features already set
75 * @return {@link FlowBuilder}
77 protected FlowBuilder base() {
78 return new FlowBuilder()
79 .setTableId(getTableId())
86 * Write a drop flow for the given ethertype at the given priority.
87 * If the ethertype is null, then drop all traffic
89 * @param priority the priority
90 * @param etherType the ethertype
91 * @param tableId the table id
92 * @return a drop flow for the given ethertype at the given priority.
94 public Flow dropFlow(Integer priority, Long etherType, Short tableId) {
96 FlowBuilder flowb = base()
97 .setPriority(priority)
98 .setInstructions(FlowUtils.dropInstructions());
99 if (etherType != null) {
100 MatchBuilder mb = new MatchBuilder()
102 FlowUtils.ethernetMatch(null, null, etherType));
103 Match match = mb.build();
104 flowid = FlowIdUtils.newFlowId(tableId, "drop", match);
105 flowb.setMatch(match);
107 flowid = FlowIdUtils.newFlowId("dropAll");
110 return flowb.build();